Impact Acoustics Pro-Audio Cables are made from twisted pair audio cable under an aluminum foil for maximum shielding from noise. High flexibility, 7mm PVC jacket reduces the risk of cables kinking and damaging the conductors. Bright nickel plating on solid brass connectors resists wear from reconfiguring and moving equipment from one venue to another. Spring strain relief on the 1/4in plug and a chuck strain relief inside the XLR reduce the effects of age on the solder joints and contacts.